The survivors follow a trail of blood from where Phil hid Pat's body to the beach. Phil predicts Pat's fear of the virus means he may never return to harm them, but, in case he does return, Phil sets up an alarm system with novelty singing fish animatronics. He also decides to teach the group self-defense but tasers and infuriates Lewis. That night,The Last Man On Earth Season 4 DVD Erica accidentally sets off the fishes, causing mayhem.Carol, who has redecorated the house to cover up Phil's pretend crime scene, asks everyone to wear whistles, and Melissa sets up self-defense "stations" with axes embedded in the walls. Phil and Lewis make amends while playing football on the beach, but they set off one of the landmines Melissa buried under the sand. Lewis suggests everyone leave despite Phil's belief that Malibu is the group's home. When the ocean waves set off the landmines,The Last Man On Earth Season 4 and car alarms and Melissa's shooting outside result in chaos, the survivors agree to leave Malibu. Before leaving, they pack their belongings and say goodbye to both their deceased group members and Cher.